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双级矩阵变换器的过调制策略研究及实现

The Over Modulation Strategy Research and Realization of Two-Stage Matrix Converter
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摘要 在分析双级矩阵变换器控制原理的基础上,提出了一种过调制控制策略,该策略分为两步:先改进双级矩阵变换器整流器的控制策略,使其整流侧得到尽可能大的直流整流电压,然后研究双级矩阵变换器逆变器的过调制控制策略,增大逆变器输出电压,从而实现电压传输比的提高.文中在过调制控制原理的基础上,基于DSP和CPLD建立了一套双级矩阵变换器实验装置,实验证明:双级矩阵变换器过调制策略能有效提高电压传输比,从而验证了该过调制策略的正确性. This paper put forward an over modulation strategy on the analysis of two-stage matrix converter control theory.The strategy is divided into two steps.First,the strategy gets the maximum DC voltage through the control of the rectifier,second,the converter is over modulated,which effectively improve the voltage transfer ratio.A set of experiment device of two-stage matrix converter is built with DSP and CPLD on the basis of over modulation control theory.Experiment result testify that the over modulation str...
作者 谌海霞
机构地区 长沙理工大学电气与信息工程学院
出处 《微电子学与计算机》 CSCD 北大核心 2009年第3期236-239,共4页 Microelectronics & Computer
关键词 双级矩阵变换器 电压传输比 过调制策略 DSP CPLD two-stage matrix converter voltage transfer ratio over modulation strategy DSP CPLD
分类号 TM46 [电气工程—电器]
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微电子学与计算机
2009年 第3期

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